There are two available diagnostic methods - D1 and D2 - to predict if a tissue sample is benign or malignant. Ninety percent of the samples processed are benign. The performance of the diagnostic methods are shown in the tables below: Diagnostic Method: D1 Predicted: Predicted: Benign Malignant Actual: Benign 0.60 0.30 0.90 Actual: Malignant 0.04 0.06 0.10